The indication for pacemaker implantation was sinus-node dysfunction in all cases, but 21 percent of patients also had atrioventricular block. A total of 1014 patients were assigned to dual-chamber pacing, and 996 patients were assigned to ventricular pacing.
blitzkrieg [(blits-kreeg)] A form of warfare used by German forces in World War II. In a blitzkrieg, troops in vehicles, such as tanks, made quick surprise strikes with support from airplanes. These tactics resulted in the swift German conquest of France in 1940 (see fall of France). Blitzkrieg is German for âlightning war.â.
Blitzkrieg (Lightning War) A Polish town lies in ruins following the German invasion of Poland, which began on September 1, 1939. â National Archives and Records Administration, College Park, Md. In the first phase of World War II in Europe, Germany sought to avoid a long war.